utils.mjs 1.6 KB

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  1. import { toArray, createNamespace, isFunction } from "../utils/index.mjs";
  2. const [name, bem, t] = createNamespace("uploader");
  3. function readFileContent(file, resultType) {
  4. return new Promise((resolve) => {
  5. if (resultType === "file") {
  6. resolve();
  7. return;
  8. }
  9. const reader = new FileReader();
  10. reader.onload = (event) => {
  11. resolve(event.target.result);
  12. };
  13. if (resultType === "dataUrl") {
  14. reader.readAsDataURL(file);
  15. } else if (resultType === "text") {
  16. reader.readAsText(file);
  17. }
  18. });
  19. }
  20. function isOversize(items, maxSize) {
  21. return toArray(items).some((item) => {
  22. if (item.file) {
  23. if (isFunction(maxSize)) {
  24. return maxSize(item.file);
  25. }
  26. return item.file.size > +maxSize;
  27. }
  28. return false;
  29. });
  30. }
  31. function filterFiles(items, maxSize) {
  32. const valid = [];
  33. const invalid = [];
  34. items.forEach((item) => {
  35. if (isOversize(item, maxSize)) {
  36. invalid.push(item);
  37. } else {
  38. valid.push(item);
  39. }
  40. });
  41. return { valid, invalid };
  42. }
  43. const IMAGE_REGEXP = /\.(jpeg|jpg|gif|png|svg|webp|jfif|bmp|dpg|avif)/i;
  44. const isImageUrl = (url) => IMAGE_REGEXP.test(url);
  45. function isImageFile(item) {
  46. if (item.isImage) {
  47. return true;
  48. }
  49. if (item.file && item.file.type) {
  50. return item.file.type.indexOf("image") === 0;
  51. }
  52. if (item.url) {
  53. return isImageUrl(item.url);
  54. }
  55. if (typeof item.content === "string") {
  56. return item.content.indexOf("data:image") === 0;
  57. }
  58. return false;
  59. }
  60. export {
  61. bem,
  62. filterFiles,
  63. isImageFile,
  64. isImageUrl,
  65. isOversize,
  66. name,
  67. readFileContent,
  68. t
  69. };